THROUGH-HOLE Multiplexer & Demultiplexer 2,400+

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Part RoHS Manufacturer Logic IC Type Temperature Grade Terminal Form No. of Terminals Package Code Package Shape Total Dose (V) Package Body Material Schmitt Trigger Surface Mount Input Conditioning No. of Functions Maximum Frequency At Nominal Supply Technology Screening Level No. of Inputs No. of Bits Translation Packing Method Nominal Supply Voltage / Vsup (V) Power Supplies (V) Load Capacitance (CL) No. of Inverted Outputs Package Style (Meter) Package Equivalence Code Propagation Delay (tpd) Maximum I (ol) Sub-Category Terminal Pitch Maximum Operating Temperature Count Direction Output Characteristics Trigger Type Maximum Same Edge Skew (tskwd) Minimum Operating Temperature Terminal Finish No. of True Outputs Terminal Position No. of Ports Control Type Minimum fmax JESD-30 Code Moisture Sensitivity Level (MSL) Maximum Supply Voltage (Vsup) Maximum Seated Height Width Qualification Output Polarity Minimum Supply Voltage (Vsup) Maximum Power Supply Current (ICC) Additional Features JESD-609 Code Maximum Time At Peak Reflow Temperature (s) No. of Outputs Peak Reflow Temperature (C) Length Family

SN74S258J

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

4

TTL

2

5

5

15 pF

IN-LINE

DIP16,.3

12 ns

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-GDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

4.75 V

81 mA

NOT SPECIFIED

1

NOT SPECIFIED

19.56 mm

S

SN74ALS257N3

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

5

50 pF

IN-LINE

DIP16,.3

22 ns

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T16

5.5 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.5 V

12 mA

NOT SPECIFIED

1

NOT SPECIFIED

19.305 mm

ALS

SN74LS353J4

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

2

TTL

4

5

5

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-XDIP-T16

SN74HC157N-10

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

CMOS

2

5

150 pF

IN-LINE

52 ns

2.54 mm

85 Cel

-40 Cel

DUAL

R-PDIP-T16

6 V

5.08 mm

7.62 mm

Not Qualified

TRUE

2 V

1

19.305 mm

HC/UH

SN74HC353N-00

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

CMOS

4

5

150 pF

IN-LINE

67 ns

2.54 mm

85 Cel

3-STATE

-40 Cel

DUAL

R-PDIP-T16

6 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

2 V

1

19.305 mm

HC/UH

SN74LS258BN3

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

5

45 pF

IN-LINE

DIP16,.3

24 ns

24 Amp

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

4.75 V

15 mA

NOT SPECIFIED

1

NOT SPECIFIED

19.305 mm

LS

SN74351JP4

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

2

TTL

8

IN-LINE

DIP20,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-XDIP-T20

NOT SPECIFIED

NOT SPECIFIED

SN74LS354J

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

TTL

8

5

45 pF

IN-LINE

DIP20,.3

45 ns

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-GDIP-T20

5.25 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

4.75 V

46 mA

TRANSPARENT ADDRESS LATCHES

NOT SPECIFIED

1

NOT SPECIFIED

24.195 mm

LS

SN74LS298N-00

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

5

15 pF

IN-LINE

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

21 mA

FOUR 2:1 MUX FOLLOWED BY REGISTER

19.305 mm

LS

SN74LS298NP3

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

5

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T16

SN74HC152N-10

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

8

5

150 pF

IN-LINE

64 ns

2.54 mm

85 Cel

-40 Cel

DUAL

R-PDIP-T14

6 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

2 V

1

19.305 mm

HC/UH

SN74S253NP1

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

5

5

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T16

Not Qualified

SN74LS253J4

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

2

TTL

4

5

5

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-XDIP-T16

SN74LS257BJ4

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

4

TTL

2

5

5

IN-LINE

DIP16,.3

24 Amp

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-XDIP-T16

SN74F153N

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

1

TUBE

5

5

50 pF

IN-LINE

DIP16,.3

10.5 ns

20 Amp

Multiplexer/Demultiplexers

2.54 mm

70 Cel

0 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

R-PDIP-T16

5.5 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.5 V

20 mA

e4

NOT SPECIFIED

1

NOT SPECIFIED

19.305 mm

F/FAST

SN74AS851N

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

16

5

IN-LINE

DIP28,.6

20 ns

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T28

5.5 V

5.08 mm

15.24 mm

Not Qualified

COMPLEMENTARY

4.5 V

NOT SPECIFIED

1

NOT SPECIFIED

36.32 mm

AS

SN74LS355J4

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

1

TTL

8

IN-LINE

DIP20,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-XDIP-T20

SN74298N-10

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

5

15 pF

IN-LINE

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

4.75 V

65 mA

FOUR 2:1 MUX FOLLOWED BY REGISTER

19.305 mm

TTL/H/L

SN74ALS857NT1

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

6

TTL

2

5

5

IN-LINE

DIP24,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T24

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN74LS251N-00

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

5

15 pF

IN-LINE

45 ns

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

4.75 V

10 mA

1

19.305 mm

LS

SN74ALS257J

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

4

TTL

2

5

5

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-XDIP-T16

Not Qualified

SN74L157J-00

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

4

TTL

2

5

15 pF

IN-LINE

54 ns

2.54 mm

70 Cel

0 Cel

DUAL

R-GDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.75 V

24 mA

1

19.56 mm

TTL/H/L

SN74ALS153N

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

4

TUBE

5

5

50 pF

IN-LINE

DIP16,.3

21 ns

24 Amp

Multiplexer/Demultiplexers

2.54 mm

70 Cel

0 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

R-PDIP-T16

5.5 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.5 V

14 mA

e4

NOT SPECIFIED

1

NOT SPECIFIED

19.305 mm

ALS

74ACT11158N

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

CMOS

2

5

5

50 pF

IN-LINE

DIP20,.3

10.8 ns

Multiplexer/Demultiplexers

2.54 mm

85 Cel

-40 Cel

DUAL

R-PDIP-T20

5.5 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

4.5 V

CENTER VCC/GND PINS

NOT SPECIFIED

1

NOT SPECIFIED

24.325 mm

ACT

SN74S158J

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

4

TTL

2

5

5

15 pF

IN-LINE

DIP16,.3

12 ns

20 Amp

Multiplexer/Demultiplexers

2.54 mm

70 Cel

0 Cel

DUAL

R-GDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

4.75 V

81 mA

NOT SPECIFIED

1

NOT SPECIFIED

19.56 mm

S

SN74ALS353NP3

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

5

5

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T16

SN74LS355J

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

TTL

8

5

45 pF

IN-LINE

DIP20,.3

49 ns

Multiplexer/Demultiplexers

2.54 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

R-GDIP-T20

5.25 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

4.75 V

46 mA

TRANSPARENT ADDRESS LATCHES

NOT SPECIFIED

1

NOT SPECIFIED

24.195 mm

LS

SN74AS158J4

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

4

TTL

2

5

5

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T16

SN74AS850JD4

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

28

DIP

RECTANGULAR

CERAMIC

NO

1

TTL

16

IN-LINE

DIP28,.6

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-XDIP-T28

SN74S158N3

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

5

IN-LINE

DIP16,.3

6 ns

Multiplexer/Demultiplexers

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

4.75 V

NOT SPECIFIED

1

NOT SPECIFIED

19.305 mm

S

SN74LS352NP1

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

5

5

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T16

Not Qualified

SN74AS158N3

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

5

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T16

SN74S251N3

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

5

5

IN-LINE

DIP16,.3

19.5 ns

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

4.75 V

NOT SPECIFIED

1

NOT SPECIFIED

19.305 mm

S

74ACT11257N

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

CMOS

2

TUBE

5

5

50 pF

IN-LINE

DIP20,.3

9.4 ns

24 Amp

Multiplexer/Demultiplexers

2.54 mm

85 Cel

3-STATE

-40 Cel

DUAL

R-PDIP-T20

5.5 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.5 V

CENTER VCC/GND PINS

NOT SPECIFIED

1

NOT SPECIFIED

24.325 mm

ACT

SN74HC356J4

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

1

CMOS

8

2/6

IN-LINE

DIP20,.3

Multiplexer/Demultiplexers

2.54 mm

85 Cel

3-STATE

-40 Cel

DUAL

R-XDIP-T20

SN74L157N-00

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

15 pF

IN-LINE

54 ns

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.75 V

24 mA

1

19.305 mm

TTL/H/L

SN74HC158N

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

CMOS

2

2

TUBE

5

2/6

150 pF

IN-LINE

DIP16,.3

235 ns

7.8 Amp

Multiplexer/Demultiplexers

2.54 mm

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T16

6 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

2 V

.08 mA

e4

1

19.305 mm

HC

SN74HC151N1

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

8

2/6

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

85 Cel

-40 Cel

DUAL

R-PDIP-T16

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN74LS157J-00

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

4

TTL

2

5

15 pF

IN-LINE

27 ns

2.54 mm

70 Cel

0 Cel

DUAL

R-GDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.75 V

16 mA

1

19.56 mm

LS

SN74HC298J4

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

4

CMOS

2

2/6

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

85 Cel

-40 Cel

DUAL

R-XDIP-T16

SN74157NP1

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

5

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T16

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN74HC153NP3

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

CMOS

4

2/6

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

85 Cel

-40 Cel

DUAL

R-PDIP-T16

NOT SPECIFIED

NOT SPECIFIED

SN74AS151JP4

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

1

TTL

8

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T16

NOT SPECIFIED

NOT SPECIFIED

SN74HC251N-10

Texas Instruments

MULTIPLEXER

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

8

5

150 pF

IN-LINE

75 ns

2.54 mm

85 Cel

3-STATE

-40 Cel

DUAL

R-PDIP-T16

6 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

2 V

1

19.305 mm

HC/UH

SN74AS258JP4

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

4

TTL

2

5

5

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-XDIP-T16

SN74ALS251NP1

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

5

5

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-PDIP-T16

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN74AS157NP1

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

2

5

5

IN-LINE

DIP16,.3

Multiplexer/Demultiplexers

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T16

Not Qualified

SN74LS353J-00

Texas Instruments

MULTIPLEXER

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

2

TTL

4

5

15 pF

IN-LINE

32 ns

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

R-GDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

4.75 V

12 mA

1

19.56 mm

LS

Multiplexer & Demultiplexer

Multiplexers and demultiplexers are electronic circuits that are used to transmit and receive multiple signals over a single channel. They are essential components of digital systems and are used to reduce the number of transmission lines required to transmit multiple signals.

A multiplexer, also known as a mux, is a digital circuit that can select one of several input signals and transmit it to a single output line based on a control signal. A multiplexer can have two or more inputs and a single output, and the selection of the input is determined by the binary value of the control signal. Multiplexers are used to reduce the number of transmission lines required to transmit multiple signals over a long distance.

A demultiplexer, also known as a demux, is a digital circuit that can distribute a single input signal to one of several output lines based on a control signal. A demultiplexer can have a single input and two or more outputs, and the selection of the output is determined by the binary value of the control signal. Demultiplexers are used to receive multiple signals transmitted over a single line.

Multiplexers and demultiplexers are commonly used together in digital systems to transmit and receive multiple signals over a single channel. They are used in various applications, including digital signal processing, telecommunications, and data storage systems. Multiplexers and demultiplexers are also used in memory systems to store and retrieve data from memory cells.

Multiplexers and demultiplexers can be designed using various technologies, including transistor-transistor logic (TTL), complementary metal-oxide-semiconductor (CMOS), and field-programmable gate arrays (FPGAs). They can also be cascaded together to increase the number of inputs or outputs.